Shark alarm in the tropical paradise! Actually, Kate and Lisa just wanted to let loose on their trip to Mexico and maybe prove to themselves once again that they are not bores. In a boozy party mood, the two then decide on the spot for exactly the wrong guys, the wrong excursion and the wrong boat to experience a wild adventure. What begins as a cage dive down to a group of teeth-baring sharks quickly turns from a holiday highlight into a horror trip of a lifetime. Because - you guessed it - 47 meters below sea level, our girls are stranded and stuck in their rusty deep-sea prison.